Sundberg, J. (1987). The science of the singing voice. Northern Illinois University Press.
Chicago (17e ed.) BronvermeldingSundberg, Johan. The Science of the Singing Voice. DeKalb, Ill: Northern Illinois University Press, 1987.
MLA (9e ed.) BronvermeldingSundberg, Johan. The Science of the Singing Voice. Northern Illinois University Press, 1987.
Let op: Deze citaties zijn niet altijd 100% accuraat.